Request Quote
(Ships tomorrow)
NSIC2030BT3G Equivalent & Substitute Parts
Part Overview
The NSIC2030BT3G is a current regulator IC manufactured by onsemi, classified as a Power Management (PMIC) device. This component functions as a high/low-side current regulator with 30mA output capacity in SMB packaging. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity. Substitute parts must maintain compatibility with the original 30mA current output specification and operating temperature range of -55°C to 175°C.
Substiute Parts
Key Parameters
| Parameter | NSIC2030BT3G |
|---|---|
| Manufacturer | onsemi |
| Category | Power Management (PMIC) |
| Function | Current Regulator |
| Sensing Method | High/Low-Side |
| Current Output | 30mA |
| Voltage Input | 120V |
| Operating Temperature | -55°C ~ 175°C |
| Mounting Type | Surface Mount |
| Package | DO-214AA, SMB |
| Product Status | Obsolete |
| Moisture Sensitivity Level | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution logic for the NSIC2030BT3G is based on the following critical parameters:
Primary Substitution Criteria:
- Current output capacity: 30mA nominal or higher
- Product status: Active (to ensure ongoing availability)
- Mounting type: Surface Mount
- Regulatory compliance: REACH Unaffected, RoHS3 Compliant
Secondary Compatibility Factors:
- Operating temperature range: Minimum -40°C to support extended industrial applications
- Package type: Surface mount packages compatible with SMB footprint requirements
- Internal switching capability: Required for current regulation function
- Output voltage capability: Must support the application voltage requirements
The substitute parts identified are LED driver ICs with linear topology and PWM dimming capability. These devices function as current regulators with output current ratings at or above 30mA. All identified substitutes are active products with current manufacturing status, ensuring long-term supply chain viability compared to the obsolete NSIC2030BT3G.
Parameter Comparison
| Part Number | Manufacturer | Current Output (mA) | Voltage Supply Min (V) | Voltage Supply Max (V) | Operating Temp (°C) | Package | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|
| NSIC2030BT3G | onsemi | 30 | — | 120 | -55 ~ 175 | DO-214AA, SMB | Obsolete | — |
| AL5801W6Q-7 | Diodes Incorporated | 350 | 4.6 | 20 | -40 ~ 125 | SOT-23-6 | Active | ROHS3 Compliant |
| AL5809-15P1-7 | Diodes Incorporated | 15 | 2.5 | 60 | -40 ~ 125 | POWERDI®123 | Active | ROHS3 Compliant |
| AL5809-25QP1-7 | Diodes Incorporated | 25 | 2.5 | 60 | -40 ~ 85 | POWERDI®123 | Active | ROHS3 Compliant |
| AL5809-30P1-7 | Diodes Incorporated | 30 | 2.5 | 60 | -40 ~ 125 | POWERDI®123 | Active | ROHS3 Compliant |
| AL5809-50QP1-7 | Diodes Incorporated | 50 | 2.5 | 60 | -40 ~ 85 | POWERDI®123 | Active | ROHS3 Compliant |
| AL5811MP-13 | Diodes Incorporated | 75 | 4.6 | 60 | -40 ~ 125 | 8-MSOP-EP | Active | ROHS3 Compliant |
| APS13568ELJATR | Allegro MicroSystems | 150 | 7 | 24 | -40 ~ 85 | 8-SOIC-EP | Active | ROHS3 Compliant |
| BCR401UW6Q-7 | Diodes Incorporated | 100 | 1.4 | 40 | -55 ~ 150 | SOT-23-6 | Active | ROHS3 Compliant |
| MAX16835ATE+ | Analog Devices Inc./Maxim Integrated | 350 | 6.5 | 40 | -40 ~ 125 | 16-TQFN (5x5) | Active | ROHS3 Compliant |
| MAX16836ATE+ | Analog Devices Inc./Maxim Integrated | 350 | 6.5 | 40 | -40 ~ 125 | 16-TQFN (5x5) | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Best Match for Direct Substitution:
AL5809-30P1-7 provides the closest functional match with identical 30mA current output. This Diodes Incorporated part is active, RoHS3 compliant, and rated for -40°C to 125°C operation. The POWERDI®123 package differs from the original SMB, requiring PCB layout modification. This part is suitable for applications where the reduced upper temperature limit (125°C vs. 175°C) is acceptable.
Alternative for Extended Temperature Range:
BCR401UW6Q-7 maintains the original -55°C to 150°C operating range, providing superior thermal coverage. With 100mA output capacity, this part exceeds the 30mA requirement and operates across a wide supply voltage range (1.4V to 40V). AEC-Q101 automotive qualification and SOT-26 packaging support broad application compatibility. This option is recommended for designs requiring extended temperature performance.
Higher Current Capacity Options:
AL5811MP-13 (75mA), APS13568ELJATR (150mA), MAX16835ATE+ (350mA), and MAX16836ATE+ (350mA) provide increased current headroom for applications requiring design margin or future scaling. All are active products with RoHS3 compliance. Selection depends on specific voltage supply constraints and package footprint availability.
Compliance Status:
All identified substitutes carry REACH Unaffected status and RoHS3 compliance, matching the regulatory profile of the original NSIC2030BT3G. Multiple parts include automotive-grade qualifications (AEC-Q100 or AEC-Q101), supporting mission-critical applications.
Frequently Asked Questions (FAQ)
Q: Can AL5809-30P1-7 directly replace NSIC2030BT3G without circuit modification?
A: AL5809-30P1-7 matches the 30mA current output specification. However, the package differs (POWERDI®123 vs. SMB), requiring PCB footprint redesign. Electrical functionality is compatible for applications within the -40°C to 125°C operating range.
Q: Why is BCR401UW6Q-7 recommended despite higher current output (100mA vs. 30mA)?
A: BCR401UW6Q-7 preserves the extended temperature range (-55°C to 150°C) of the original part and maintains automotive qualification. The higher current capacity provides design margin without compromising functionality. Current limiting can be configured through external resistor networks if exact 30mA regulation is required.
Q: What is the impact of package changes when substituting?
A: Package changes require PCB layout redesign, including trace routing, via placement, and thermal management considerations. AL5809 series uses POWERDI®123, AL5811MP-13 uses 8-MSOP-EP, and MAX16835/MAX16836 use 16-TQFN packages. Verify footprint compatibility and thermal performance in your specific application before implementation.
Q: Are all substitute parts suitable for automotive applications?
A: Multiple substitutes carry automotive qualifications: AL5809-25QP1-7 and AL5809-50QP1-7 (AEC-Q100), BCR401UW6Q-7 (AEC-Q101), MAX16835ATE+ and MAX16836ATE+ (automotive grade). Non-qualified parts (AL5801W6Q-7, AL5809-15P1-7, AL5809-30P1-7, AL5811MP-13, APS13568ELJATR) are suitable for industrial and consumer applications.
Q: What supply voltage range should I consider for substitution?
A: The original NSIC2030BT3G specifies 120V input. Substitute parts operate at lower voltages: AL5809 series (2.5V to 60V), BCR401UW6Q-7 (1.4V to 40V), MAX16835/MAX16836 (6.5V to 40V). Verify your application's supply voltage falls within the selected substitute's operating range.
Q: Is moisture sensitivity a concern when substituting?
A: The original part carries MSL 1 (Unlimited). All identified substitutes also carry MSL 1 (Unlimited) or MSL 3 (168 Hours), indicating low moisture sensitivity. Standard PCB assembly and storage practices are sufficient for both original and substitute parts.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts







